2 papers
math.AC2018
Powers of -spread principal Borel ideals
Claudia Andrei, Viviana Ene, Bahareh Lajmiri
We prove that -spread principal Borel ideals are sequentially Cohen-Macaulay and study their powers. We show that these ideals possess the strong persistence property and comput…
math.AC2018
Properties of the coordinate ring of a convex polyomino
Claudia Andrei
We classify all convex polyomino whose coordinate rings are Gorenstein. We also compute the Castelnuovo-Mumford regularity of the coordinate ring of any stack polyomino in terms of…